1. Easy or Hard?

ESL Robot 4.0 (Android) - an AI-powered English tutor. For years, the idea of computers serving as human-like tutors to aid in English learning has been a distant dream. Now, with the arrival of "ESL Robot 4.0," that dream has become a reality.

A: I don't know which class to register for.

B: You should pick the class you need.

A: I know I need a science class.

B: I would take biology with Mr. Green.

A: It's a challenging yet fun class.

B: I don't like challenges.

A: Why are you in college then?

B: My mom forced me to enroll.

A: You should go to a vocational school instead.

B: I don't think you understand. My mom is scary.

A: Okay, fine. I recommend Earth Science 125 with Mr. Anderson.

B: Thanks for the recommendation!